.\"	$OpenBSD: d2i_OCSP_RESPONSE.3,v 1.2 2018/03/22 21:08:22 schwarze Exp $
.\"
.\" Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
.\"
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.Dd $Mdocdate: March 22 2018 $
.Dt D2I_OCSP_RESPONSE 3
.Os
.Sh NAME
.Nm d2i_OCSP_RESPONSE ,
.Nm i2d_OCSP_RESPONSE ,
.Nm d2i_OCSP_RESPBYTES ,
.Nm i2d_OCSP_RESPBYTES ,
.Nm d2i_OCSP_BASICRESP ,
.Nm i2d_OCSP_BASICRESP ,
.Nm d2i_OCSP_RESPDATA ,
.Nm i2d_OCSP_RESPDATA ,
.Nm d2i_OCSP_RESPID ,
.Nm i2d_OCSP_RESPID ,
.Nm d2i_OCSP_SINGLERESP ,
.Nm i2d_OCSP_SINGLERESP ,
.Nm d2i_OCSP_CERTSTATUS ,
.Nm i2d_OCSP_CERTSTATUS ,
.Nm d2i_OCSP_REVOKEDINFO ,
.Nm i2d_OCSP_REVOKEDINFO ,
.Nm d2i_OCSP_CRLID ,
.Nm i2d_OCSP_CRLID
.Nd decode and encode OCSP responses
.Sh SYNOPSIS
.In openssl/ocsp.h
.Ft OCSP_RESPONSE *
.Fo d2i_OCSP_RESPONSE
.Fa "OCSP_RESPONSE **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_RESPONSE
.Fa "OCSP_RESPONSE *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_RESPBYTES *
.Fo d2i_OCSP_RESPBYTES
.Fa "OCSP_RESPBYTES **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_RESPBYTES
.Fa "OCSP_RESPBYTES *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_BASICRESP *
.Fo d2i_OCSP_BASICRESP
.Fa "OCSP_BASICRESP **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_BASICRESP
.Fa "OCSP_BASICRESP *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_RESPDATA *
.Fo d2i_OCSP_RESPDATA
.Fa "OCSP_RESPDATA **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_RESPDATA
.Fa "OCSP_RESPDATA *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_RESPID *
.Fo d2i_OCSP_RESPID
.Fa "OCSP_RESPID **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_RESPID
.Fa "OCSP_RESPID *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_SINGLERESP *
.Fo d2i_OCSP_SINGLERESP
.Fa "OCSP_SINGLERESP **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_SINGLERESP
.Fa "OCSP_SINGLERESP *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_CERTSTATUS *
.Fo d2i_OCSP_CERTSTATUS
.Fa "OCSP_CERTSTATUS **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_CERTSTATUS
.Fa "OCSP_CERTSTATUS *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_REVOKEDINFO *
.Fo d2i_OCSP_REVOKEDINFO
.Fa "OCSP_REVOKEDINFO **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_REVOKEDINFO
.Fa "OCSP_REVOKEDINFO *val_in"
.Fa "unsigned char **der_out"
.Fc
.Ft OCSP_CRLID *
.Fo d2i_OCSP_CRLID
.Fa "OCSP_CRLID **val_out"
.Fa "const unsigned char **der_in"
.Fa "long length"
.Fc
.Ft int
.Fo i2d_OCSP_CRLID
.Fa "OCSP_CRLID *val_in"
.Fa "unsigned char **der_out"
.Fc
.Sh DESCRIPTION
Theses functions decode and encode ASN.1 structures used for OCSP
responses.
For details about the semantics, examples, caveats, and bugs, see
.Xr ASN1_item_d2i 3 .
.Pp
.Fn d2i_OCSP_RESPONSE
and
.Fn i2d_OCSP_RESPONSE
decode and encode an ASN.1
.Vt OCSPResponse
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_RESPBYTES
and
.Fn i2d_OCSP_RESPBYTES
decode and encode an ASN.1
.Vt ResponseBytes
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_BASICRESP
and
.Fn i2d_OCSP_BASICRESP
decode and encode an ASN.1
.Vt BasicOCSPResponse
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_RESPDATA
and
.Fn i2d_OCSP_RESPDATA
decode and encode an ASN.1
.Vt ResponseData
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_RESPID
and
.Fn i2d_OCSP_RESPID
decode and encode an ASN.1
.Vt ResponderID
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_SINGLERESP
and
.Fn i2d_OCSP_SINGLERESP
decode and encode an ASN.1
.Vt SingleResponse
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_CERTSTATUS
and
.Fn i2d_OCSP_CERTSTATUS
decode and encode an ASN.1
.Vt CertStatus
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_REVOKEDINFO
and
.Fn i2d_OCSP_REVOKEDINFO
decode and encode an ASN.1
.Vt RevokedInfo
structure defined in RFC 6960 section 4.2.1.
.Pp
.Fn d2i_OCSP_CRLID
and
.Fn i2d_OCSP_CRLID
decode and encode an ASN.1
.Vt CrlID
structure defined in RFC 6960 section 4.4.2.
.Sh RETURN VALUES
.Fn d2i_OCSP_RESPONSE ,
.Fn d2i_OCSP_RESPBYTES ,
.Fn d2i_OCSP_BASICRESP ,
.Fn d2i_OCSP_RESPDATA ,
.Fn d2i_OCSP_RESPID ,
.Fn d2i_OCSP_SINGLERESP ,
.Fn d2i_OCSP_CERTSTATUS ,
.Fn d2i_OCSP_REVOKEDINFO ,
and
.Fn d2i_OCSP_CRLID
return an object of the respective type or
.Dv NULL
if an error occurs.
.Pp
.Fn i2d_OCSP_RESPONSE ,
.Fn i2d_OCSP_RESPBYTES ,
.Fn i2d_OCSP_BASICRESP ,
.Fn i2d_OCSP_RESPDATA ,
.Fn i2d_OCSP_RESPID ,
.Fn i2d_OCSP_SINGLERESP ,
.Fn i2d_OCSP_CERTSTATUS ,
.Fn i2d_OCSP_REVOKEDINFO ,
and
.Fn i2d_OCSP_CRLID
return the number of bytes successfully encoded or a negative value
if an error occurs.
.Sh SEE ALSO
.Xr ASN1_item_d2i 3 ,
.Xr OCSP_CRLID_new 3 ,
.Xr OCSP_RESPONSE_new 3 ,
.Xr OCSP_SINGLERESP_new 3
.Sh STANDARDS
RFC 6960: X.509 Internet Public Key Infrastructure Online Certificate
Status Protocol, section 4.2: Response Syntax
.Sh HISTORY
These functions first appeared in OpenSSL 0.9.7
and have been available since
.Ox 3.2 .
